| 摘要 |
PROBLEM TO BE SOLVED: To simplify a mechanism for locking a seat part attitude-changeable to use-attitude and non-use-attitude to the use-attitude and the non-use-attitude. SOLUTION: A seat support 27 for supporting the seat part 25 is constituted such that it is provided with a support body 57 in which one end side is pivotally supported of a seat part mounting surface 33 and an engagement part 53 at the other end side is engaged with a guide groove 44 at the seat part 25 side to support the seat part 25 at usage attitude; and a lock member 56 engaged with an engagement part 47 at the seat part 25 side to lock the seat part 25 at the usage attitude. Subsequently, the support body 57 is pivoted accompanying with change from the usage attitude of the seat part 25 to the non-usage attitude and the engagement part 53 is moved in the guide groove 44 to allow the change to the non-usage attitude. The lock member 56 is engaged with the guide groove 44 to restrict the change to the usage attitude when the seat part 25 is at the non-usage attitude. COPYRIGHT: (C)2007,JPO&INPIT
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